Home / 131,544,948.41-197,227,739.42-66,723,760.43

Finding the Fourth Proportional to 131,544,948.41, 197,227,739.42 and 66,723,760.43

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Solution

The fourth proportional to 131,544,948.41, 197,227,739.42 and 66,723,760.43 is: 100,040,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,544,948.41 : 197,227,739.42 = 66,723,760.43 : x
  2. Step 2: Convert to fraction form
    131,544,948.41/197,227,739.42 = 66,723,760.43/x
  3. Step 3: Cross multiply
    131,544,948.41x = 197,227,739.42 × 66,723,760.43
  4. Step 4: Simplify right side
    131,544,948.41x = 13,159,776,434,876,928
  5. Step 5: Solve for x
    x = 13,159,776,434,876,928/131,544,948.41
  6. Step 6: Final answer
    x = 100,040,150.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.